Examine source code of Lonely Tree

{
  "theme": {
    "images": {
      "theme_frame": "firfox-tree2.png"
    },
    "colors": {
      "frame": "#1f1f02",
      "tab_background_text": "#242201"
    }
  },
  "version": "2.0",
  "name": "Lonely Tree",
  "manifest_version": 2,
  "description": "I have already uploaded this image but I wasn't happy with how the tree didn't show up when the persona was activated. I've edited it slightly and I'm hoping for a better outcome.\n- Jester"
}